83835989602 has 4 divisors (see below), whose sum is σ = 125753984406. Its totient is φ = 41917994800.

The previous prime is 83835989599. The next prime is 83835989623. The reversal of 83835989602 is 20698953838.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 81117305721 + 2718683881 = 284811^2 + 52141^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20958997399 + ... + 20958997402.

Almost surely, 2^83835989602 is an apocalyptic number.

83835989602 is a deficient number, since it is larger than the sum of its proper divisors (41917994804).

83835989602 is a wasteful number, since it uses less digits than its factorization.

83835989602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41917994803.

The product of its (nonzero) digits is 22394880, while the sum is 61.

The spelling of 83835989602 in words is "eighty-three billion, eight hundred thirty-five million, nine hundred eighty-nine thousand, six hundred two".